It was the passenger side that was grinding, so I started there. Caliper and caliper bracket came off nicely since I never-seized everything when I did the job last time. The rotor was another story. After trying to heat the hub area, and lots of two-hand over-head swings with a baby sledge, it wasn't budging *at all*. It was time for some Internet Fixin'.
I found this video on youtube:
Looked simple enough.
Those are probably 7/16 or 1/2" bolts, but I didn't have any, so I had to make do with some 3/8" bolts and some washers. Along with my trusty Makita impact gun, I managed to do this: I don't think I'm gonna be able to have this one turned...

-Dave